Pro Tip

Scan rows, columns, and boxes for Hidden Singles: a digit that can only go in one cell within a house.

Pro Tip
✓ Completed! 👍
7
8
3
9
5
7
6
8
1
5
4
7
3
1
2
2
4
1
7
9
4
9
8
6
1
5
6
8
8
3
7
2
4
1
5
8
Pro Tip

Scan rows, columns, and boxes for Hidden Singles: a digit that can only go in one cell within a house.

Pro Tip